Observation elevator cab



FIG. 1 is a view in perspective of the exposed exterior of an observation elevator cab according to the invention;

FIG. 2 is a side view of the exposed exterior of an observation elevator cab according to the invention;

FIG. 3 is a frontal view of the exposed exterior of an observation elevator cab according to the invention;

FIG. 4 is a bottom view of the exposed exterior of an observation elevator cab according to the invention.

FIG. 5 is a top view of the exposed exterior of an observation elevator cab according to the invention. 

The ornamental design for an observation elevator cab, as shown and described. 